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- Title
Local Instability Analysis for Axial Compressive Steel Columns.
- Authors
Phu-Cuong Nguyen
- Abstract
This study presents a nonlinear analysis method for steel columns considering local instability under axial compression. The stress-strain relationship of steel is developed while considering the effects of local instability utilizing the energy principles. The second-order effects are considered by stability functions, while the plasticity of steel is captured by a fiber finite element method. Nonlinear equilibrium equations are solved by the generalized displacement control method. As a result, the proposed formulations are effective, accurate, and reliable in predicting the load-carrying capacity and local instability of steel columns.
- Subjects
IRON &; steel columns; FINITE element method; NONLINEAR analysis; NONLINEAR equations; STRAINS &; stresses (Mechanics)
- Publication
Engineering, Technology & Applied Science Research, 2022, Vol 12, Issue 6, p9527
- ISSN
2241-4487
- Publication type
Article
- DOI
10.48084/etasr.5238